DoonanThe 2017 SCCA National Championship Runoffs, set for Sept. 25-Oct. 1, will be different from any other in the event's 53-year history – this year, the Runoffs will take place at Indianapolis Motor Speedway and nearly 1,000 drivers will compete for 28 national championships.

Mazda Motorsports director John Doonan shares his SCCA racing memories and discusses Mazda's commitment to grassroots racing.

All Runoffs races are open to the public. To purchase tickets, click here. For more information on the 2017 SCCA National Championship Runoffs, click here. And stay tuned to RACER.com for updates throughout the event.

Click here to listen to the audio commentary, follow live timing, and watch several static video feeds at the SCCA Runoffs

 
 

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